W. Nigel Powell

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Stillwater, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiphase candle containing locally enriched regions of deliverabl...
- Patent number 5,961,967
- Issue date Oct 5, 1999
- 3M Innovative Properties Company
- W. Nigel Powell
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE